OpenTechnical

OT-2026-000080073

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000080073) never changes.

Identity and time

Publication numberOT-2026-000080073 · never reused
Internal UUID01a0ae96-4378-741a-bf52-abed4aa6241b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080073
StatusPUBLIC

Content hashes

Canonical textb0dc921b879c3608e9f5f3d9c178747b34eb9fd281cac1c4c09fdaf6f5222014
Markdown5c266c56cc318f6d28e2f0e5621d69e3f07d46afe78c98c287b68d541289084d
PDF
Publication page9c6c411b50d5c9767b559435e2f1aaf9719d61090f62db6c1e7eab5f5f9912ed
Manifest4c1b448eb71dec7b6699bdab1f76a04dd0af8a27d18da0e412f173143a61bac0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4z3d5tzPv+ebZwm5Umz3a6X663wEl35HFe6t4EWxx1novPf0OKX0T2iqqE1wpuhxCD05xnSUxdudfYXo8YGGCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:00.501777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080073
observed 9c6c411b50d5c9767b559435e2f1aaf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.483637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080073/manifest.json
observed 4c1b448eb71dec7b6699bdab1f76a04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.464576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080073/publication.md
observed 5c266c56cc318f6d28e2f0e5621d69e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.442995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080073/publication.txt
observed b0dc921b879c3608e9f5f3d9c178747b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.